Analysis

  • max time kernel
    150s
  • max time network
    153s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20230220-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20230220-enlocale:en-usos:windows10-2004-x64system
  • submitted
    17-04-2023 21:02

General

  • Target

    6e54fbf62b6fbb76044df70160fff85fcfa852b52d6be07e224f56206034ae52.exe

  • Size

    212KB

  • MD5

    f87db625aa500e04ef59e2034aa1075c

  • SHA1

    8bcba86adf3983defa1c9801aaa5afd97cbc9a93

  • SHA256

    6e54fbf62b6fbb76044df70160fff85fcfa852b52d6be07e224f56206034ae52

  • SHA512

    2edd83ffa195f1f17cd96688fd5db4ce6f5dd3f6fc80375a2da044e6886c777bef74c6b551b4a6f17ad20b171a227dd04b1056a057138dbc9e8e2b9ed5a237da

  • SSDEEP

    3072:LGsKWnRhxH06rKa/gK46gW2ue3CBFpu3KSfCdTrJcK5VBnI7iMW:tRhxn2SgW27CBF4jIC+a7iM

Malware Config

Extracted

Family

smokeloader

Botnet

pu10

Extracted

Family

smokeloader

Version

2020

C2

http://host-file-host6.com/

http://host-host-file8.com/

rc4.i32
rc4.i32

Signatures

  • SmokeLoader

    Modular backdoor trojan in use since 2014.

  • Suspicious use of SetThreadContext 1 IoCs
  • Checks SCSI registry key(s) 3 TTPs 3 IoCs

    SCSI information is often read in order to detect sandboxing environments.

  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious behavior: MapViewOfSection 1 IoCs
  • Suspicious use of WriteProcessMemory 6 IoCs
  • Uses Task Scheduler COM API 1 TTPs

    The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.

Processes

  • C:\Users\Admin\AppData\Local\Temp\6e54fbf62b6fbb76044df70160fff85fcfa852b52d6be07e224f56206034ae52.exe
    "C:\Users\Admin\AppData\Local\Temp\6e54fbf62b6fbb76044df70160fff85fcfa852b52d6be07e224f56206034ae52.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:5040
    • C:\Users\Admin\AppData\Local\Temp\6e54fbf62b6fbb76044df70160fff85fcfa852b52d6be07e224f56206034ae52.exe
      "C:\Users\Admin\AppData\Local\Temp\6e54fbf62b6fbb76044df70160fff85fcfa852b52d6be07e224f56206034ae52.exe"
      2⤵
      • Checks SCSI registry key(s)
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious behavior: MapViewOfSection
      PID:3864

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/3196-137-0x00000000024A0000-0x00000000024B6000-memory.dmp

    Filesize

    88KB

  • memory/3864-134-0x0000000000400000-0x0000000000409000-memory.dmp

    Filesize

    36KB

  • memory/3864-136-0x0000000000400000-0x0000000000409000-memory.dmp

    Filesize

    36KB

  • memory/3864-138-0x0000000000400000-0x0000000000409000-memory.dmp

    Filesize

    36KB

  • memory/5040-135-0x0000000000560000-0x0000000000569000-memory.dmp

    Filesize

    36KB